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锈毛棋子豆 |
中文学名:锈毛棋子豆 拉丁学名:Cylindrokelupha balansae (Oliv.) Kosterm. 界:植物界 门:被子植物门 纲:双子叶植物纲 目:杜鹃花目 科:含羞草科 属:棋子豆属 |
锈毛棋子豆(xiù máo qí zǐ dòu,学名:Cylindrokelupha balansae)为豆科棋子豆属下的一个种。产自云南(屏边、金平、西畴、麻栗坡)。 [1]
锈毛棋子豆形态特征
乔木,高8-25米。小枝棕红色,皮孔显著。
二回羽状复叶;总叶柄长6-8厘米,近羽片着生处有椭圆形、扁平腺体1枚;羽片2对;叶轴长16-24厘米;小叶4对,对生,每对小叶着生处具1枚倒卵形、扁平腺体;
小叶长圆形或倒披针形,长(5-)10-18厘米,宽3-6.5厘米,先端具短尖头,基部渐狭或钝,上面无毛或被极疏的锈色短柔毛,下面疏被锈色短柔毛,脉上较多;侧脉5-7对,两面显露;小叶柄长5-8毫米。
花约20余朵组成球形头状花序,再排成长约20厘米的圆锥花序,花序全部被锈色绒毛,分枝稀疏;花无梗;花萼杯状,长约1.5毫米,密被锈色绒毛;
花冠管长约2.5毫米,裂片5,长约2毫米,密被锈色绒毛;雄蕊多数,花丝长8-10毫米;子房无毛,具短柄。荚果圆柱形,长7-15厘米,宽约6厘米;
种子2-6枚,上下2枚弹头形,当中的棋子形,直径和高约4.5厘米。花期3-4月;果期7月 。[2]
Cylindrokelupha balansae (Oliv.) Kosterm. in Bull. Org. Sci. Res. Indonesia 20 (11): 20. 1954, et in Adansonia ser. 2, 6: 359. 1966; T. L. Wu in Acta Phytotax. Sin. 19: 217. 1981. ——Pithecellobium balansae Oliv. in Hook. Icon. Pl. 20: t. 1976. 1891; Gagnep. in Lecomte, Fl. Gen. Indo-Chine 2: 98. 1913. ——Archidendron balansae (Oliv.) Nielsen in Adansonia ser. 2, 19: 23. 1979, et in Aubrev. Fl. Camb. Laos Vietn. 19: 126, Pl. 22: 11-13. 1981, et in Acta Phytotax. Sin. 21: 164. 1983.——Albizia balansae (Oliv.) Y. H. Huang in Acta Bot. Yunnan. 5: 138. 1983.
Pithecellobium balansae Oliver, Hooker’s Icon. Pl. 20: t. 1976. 1891; Albizia balansae (Oliver) Y. H. Huang; Cylindro-kelupha balansae (Oliver) Kostermans.
Trees, 8-25 m tall. Branchlets red-brown, obviously lenti-cellate. Leaf petiole 6-8 cm; glands elliptic, flat; pinnae 2 pairs; leaf rachis 16-24 cm; petiolules 5-8 mm; leaflets 4 pairs, opposite, with 1 gland per leaflet pair, oblong or oblanceolate, (5-)10-18 × 3-6.5 cm, abaxially ferruginous pubescent, more densely so on veins, adaxially glabrous or very sparsely fer-ruginous pubescent, lateral veins 5-7 pairs, conspicuous on both surfaces, base attenuate or obtuse, apex shortly acuminate. Flowers sessile, ca. 20 in globose head, heads arranged in pani-cle ca. 20 cm, ferruginous tomentose, branches sparse. Calyx cup-shaped, ca. 1.5 mm. Corolla tube ca. 2.5 mm; lobes 5, ca. 2 mm. Staminal tube equaling corolla tube; filaments 8-10 mm. Ovary stipitate, glabrous. Legume cylindric, 7-15 × ca. 6 cm. Seeds 2-6, bullet-form at both ends, middle ones shortly cylin-dric, ca. 4.5 cm high and in diam. Fl. Apr-May, fr. Jul.
Thin forests; 600-1300 m. S Yunnan [Vietnam].
锈毛棋子豆生长环境
锈毛棋子豆生长于海拔900-1300米的疏林中。
锈毛棋子豆分布范围
锈毛棋子豆产自云南(屏边、金平、西畴、麻栗坡)。越南亦有分布。 [3]